调节图片亮度和饱和度，图片亮度饱和度,[Python]代码#

调节图片亮度和饱和度，图片亮度饱和度,[Python]代码#

[Python]代码

# conding: utf-8import sys,osimport Image,ImageEnhance#中文字符集函数def encodeChinese(msg):    type = sys.getfilesystemencoding()    return msg.decode('UTF-8').encode(type)#接受亮度值函数def getBrightnessValue():    print encodeChinese('请输入需要改变的亮度值:')    brightnessValue = raw_input()    #if True == isinstance(brightnessValue,int):    try:        int(brightnessValue)        return brightnessValue    except:        getBrightnessValue()#接受饱和度值函数def getColorValue():    print encodeChinese('请输入需要改变的饱和度值:')    colorValue = raw_input()    #if True == isinstance(brightnessValue,int):    try:        int(colorValue)        return colorValue    except:        getColorValue()#设置亮度值函数def setBrightnessValue(brightnessValue):    if brightnessValue != 0:        brightnessValue = 1 + 0.01*float(brightnessValue)        return brightnessValue    else:        brightnessValue = 1        return brightnessValue#设置饱和度值函数def setColorValue(colorValue):    if colorValue != 0:        colorValue = 1 + 0.01*float(colorValue)        return colorValue    else:        colorValue = 1        return colorValue#转换亮度值函数def changeBrightness(img,brightnessValue):    tmp = ImageEnhance.Brightness(img)    img = tmp.enhance(brightnessValue)    return img#转换饱和度值函数def changeColor(img,colorValue):    tmp = ImageEnhance.Brightness(img)    img = tmp.enhance(colorValue)    return img#打开图形文件def openImageFile(filename):    try:        img = Image.open(filename)    except:        print encodeChinese('打开文件出错,这个文件是:')        print filename    # img.load()    return img#图片另存为函数def ImageFileSaveAs(img,targetdir,fName):    try:        # tg = targetdir + os.sep + 'tmp_Image'        # os.mkdir(tg)        img.save(targetdir + os.sep + fName)    except:        os.mkdir(targetdir)        img.save(targetdir + os.sep + fName)    #img.save(tg + os.sep + fName)    print str(targetdir + os.sep + fName) + '\t' + encodeChinese('文件另存为副本完毕')def main():    print encodeChinese('请输入需要处理的贴图的路径:')    rootdir = raw_input()    print encodeChinese('请输入保存备份贴图的路径:')    targetdir = raw_input()    colorValue = getColorValue()    brightnessValue = getBrightnessValue()    colorValue = setColorValue(colorValue)    brightnessValue = setBrightnessValue(brightnessValue)    for parent,dirnames,filenames in os.walk(rootdir):        for filename in filenames:            print 'brightnessValue: ' + str(brightnessValue)            print 'colorValue: ' + str(colorValue)            fName = filename            filename = parent + os.sep + fName            print str(filename)            img = openImageFile(filename)            print str(img)            ImageFileSaveAs(img,targetdir,fName)            #if(img.mode =='RGB'):            img = changeBrightness(img,brightnessValue)            img = changeColor(img,colorValue)            img.save(filename)            print str(filename)            print '\n'main()